A number of large and superlarge magnesite and talc deposits occur in Mg_rich carbonate strata of Early Proterozoic Dashiqiao Formation in eastern Liaoning Province.

• 辽东地区早元古代大石桥组赋存有富镁质的碳酸盐岩建造,其中产有大型或超大型菱镁矿、滑石矿床。